Politics and government -- History -- 48 Economic conditions -- 27 Foreign relations -- 23 Politics and government 21 Social conditions -- 17 Political parties -- 14 more ... Biography -- 12 Democracy -- 12 Congresses -- 11 Nationalism -- 10 Ethnic relations 9 History 9 Presidents -- 9 Relations -- 9 World politics -- 9 Economic conditions 8 Military relations -- 8 Political culture -- 8 Political participation -- 8 Social conditions 8 Civil -- 7 Economic policy -- 7 Communism -- 6 Congresses 6 Minorities -- 6 Political aspects -- 6 Public opinion -- 6 Blacks -- 5 Case studies 5 less ...